Dating of volcanic ash at Sangiran shows Homo erectus arrived later than thought
(PHYSorg.com Archaeology & Fossils)

A team of researchers from Japan, Indonesia and Germany has found evidence that suggests Homo erectus arrived on the island of Java approximately 300,000 years later than thought. In their paper published in the journal Science, the group describes using two techniques to date the volcanic ash from which the oldest known fossils were unearthed, and what they found.